Annotations: 7BW1

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02544	3-oxo-5-alpha-steroid 4-dehydrogenase (Steroid_dh)	3-oxo-5-alpha-steroid 4-dehydrogenase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	3-oxo-5-alpha-steroid 4-dehydrogenase 2	steroid dehydrogenase activity testosterone dehydrogenase [NAD(P)] activity oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor catalytic activity 3-oxo-5-alpha-steroid 4-dehydrogenase activity steroid dehydrogenase activity, acting on the CH-CH group of donors oxidoreductase activity, acting on the CH-CH group of donors amide binding binding enone reductase activity 3-oxo-5alpha-steroid 4-dehydrogenase (NADP+) activity steroid dehydrogenase activity testosterone dehydrogenase [NAD(P)] activity oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor catalytic activity 3-oxo-5-alpha-steroid 4-dehydrogenase activity steroid dehydrogenase activity, acting on the CH-CH group of donors oxidoreductase activity, acting on the CH-CH group of donors amide binding binding enone reductase activity 3-oxo-5alpha-steroid 4-dehydrogenase (NADP+) activity oxidoreductase activity, acting on the CH-CH group of donors, NAD or NADP as acceptor	developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development system development response to stimulus response to chemical response to xenobiotic stimulus cellular developmental process cell differentiation cellular process head development forebrain development brain development nervous system development pallium development central nervous system development telencephalon development hippocampus development limbic system development response to organic substance response to hormone response to endogenous stimulus response to organonitrogen compound response to peptide hormone response to oxygen-containing compound response to nitrogen compound cellular biosynthetic process organic hydroxy compound metabolic process steroid metabolic process lipid biosynthetic process organic substance metabolic process cellular ketone metabolic process organic substance biosynthetic process small molecule metabolic process steroid biosynthetic process olefinic compound biosynthetic process small molecule biosynthetic process cellular metabolic process primary metabolic process testosterone biosynthetic process organic cyclic compound metabolic process biosynthetic process organic hydroxy compound biosynthetic process organic cyclic compound biosynthetic process metabolic process olefinic compound metabolic process ketone biosynthetic process lipid metabolic process dibenzo-p-dioxin metabolic process phthalate metabolic process benzene-containing compound metabolic process oxoacid metabolic process carboxylic acid metabolic process organic acid metabolic process regulation of hormone levels biological regulation androgen metabolic process hormone metabolic process regulation of biological quality response to ketone response to lipid response to testosterone response to organic cyclic compound skeletal system development bone development hypothalamus development diencephalon development regulation of biological process signaling cell-cell signaling cell communication genitalia development male genitalia development catabolic process lipid catabolic process organic cyclic compound catabolic process steroid catabolic process organic substance catabolic process response to steroid hormone response to nutrient levels biphenyl metabolic process female genitalia development female sex differentiation response to gonadotropin response to follicle-stimulating hormone androgen biosynthetic process hormone biosynthetic process steroid hormone biosynthetic process	cell body fiber cell projection neuron projection cellular anatomical entity plasma membrane bounded cell projection membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle cell body fiber cell projection neuron projection cellular anatomical entity plasma membrane bounded cell projection membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane somatodendritic compartment cell body neuronal cell body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016636	3-oxo-5-alpha-steroid 4-dehydrogenase	Family
A	IPR039357	3-oxo-5-alpha-steroid 4-dehydrogenase/very-long-chain enoyl-CoA reductase	Family
A	IPR001104	3-oxo-5-alpha-steroid 4-dehydrogenase, C-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P31213	prostate cancer 46,XY disorder of sex development due to 5-alpha-reductase 2 deficiency prostatic adenoma alopecia androgenetic alopecia endometrial carcinoma endometriosis pseudohermaphroditism benign prostatic hyperplasia peripheral nervous system disease Prostatic Neoplasms transitional cell carcinoma hypospadias peripheral neuropathy schizophrenia prostate cancer 46,XY disorder of sex development due to 5-alpha-reductase 2 deficiency prostatic adenoma alopecia androgenetic alopecia endometrial carcinoma endometriosis pseudohermaphroditism benign prostatic hyperplasia peripheral nervous system disease Prostatic Neoplasms transitional cell carcinoma hypospadias peripheral neuropathy schizophrenia familial prostate carcinoma sinusitis androgen insensitivity syndrome endometrial cancer

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Alpha-helical polytopic	Steroid oxidoreductase	Steroid 5alpha-reductase

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.